6140546666 has 8 divisors (see below), whose sum is σ = 9211302180. Its totient is φ = 3070112608.

The previous prime is 6140546641. The next prime is 6140546701. The reversal of 6140546666 is 6666450416.

It can be written as a sum of positive squares in 2 ways, for example, as 5659402441 + 481144225 = 75229^2 + 21935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24971 + ... + 113598.

Almost surely, 2^6140546666 is an apocalyptic number.

6140546666 is a deficient number, since it is larger than the sum of its proper divisors (3070755514).

6140546666 is a wasteful number, since it uses less digits than its factorization.

6140546666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160728.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 6140546666 is about 78361.6402712450. The cubic root of 6140546666 is about 1831.1995744155.

The spelling of 6140546666 in words is "six billion, one hundred forty million, five hundred forty-six thousand, six hundred sixty-six".